I just see subreddits like /r/games and /r/gaming split up because they catered to two different types of people and well this ads a layer of complexity and confusion that simply doesnt need to be there.

/r/dayz is considering splitting up into the mod and the standalone.. where do you post if it covers both? and they have already split off server announcements, people hook ups.. and many other things related to the game.. yeah subreddits can link in the side bar but it isnt quite the same as having a tree you can go up and down.

and think of all the subreddits games that could be under /r/gaming and much easier to find

Enable styling for multi-reddits and give redditors the power to create (subreddit-) networksPlease. By now multi-reddits all have the same appearance - what about allowing either multireddits as they are now to have customizable styles or to have a new kind of multi-reddits which are multi-reddits organized in a completly new reddit feature for subreddit-networks. A new Mod-Tools/Community-Settings that would be something like "join a network" and then you can for example request membership or can be asked for membership for subreddit network that is after all a multi-reddit similarly styled to usual subreddits and controlled by the mods (not the mod of the subreddit that joins). For creating one there could be an option in the mod-tools with something like "create a new subreddit-network" (of which then the current subreddit would be the first member) And which then for ex could be called /m/Space. Also this would strongly empower smaller subreddits or relating sections to grow for reddit becoming a more versatile (and in depth) place. ...